The Crescendo Cabinet Knob (4 1/2-Inch Center-to-Center) brings a delightful design with glamorous flair. Featuring inlays of imperial shell, it radiates all the colors of the rainbow. Every detail is showcased in a solid-brass frame thanks to investment casting—a method that the world's finest jewelers use to create their most elaborate pieces. Handmade by skilled artisans, giving each its own, unique personality.